public ColorScale(float min, float max, int width, int height)
{
this.width = width;
this.height = height;
this.min = min;
this.max = max;
length = 400.0f;
barHeight = 25.0f;
bottom = -height / 2.0f + 30.0f;
left = -length / 2.0f;
NumOfVertices = 0;
cm = new Dictionary<float, Vector3>();
popis_txt = new Text2D(width,height);
popis_dic = new Dictionary<string, Vector4>();
VAO = new int[1];
VBO = new int[2];
projectionMatrix = Matrix4.Identity;
modelViewMatrix = Matrix4.Identity;
VertexShader = new Shaders.Shader();
FragmentShader = new Shaders.Shader();
spMain = new Shaders.ShaderProgram();
SetColorScale();
SetText();
Init();
}
/// <summary>
/// 在使用<see cref="VertexArrayObject"/>后，此方法只会执行一次。
/// </summary>
/// <param name="e"></param>
/// <param name="shaderProgram"></param>
public override void Render(RenderEventArgs e, Shaders.ShaderProgram shaderProgram)
{
uint location = shaderProgram.GetAttributeLocation(this.VarNameInVertexShader);
GL.BindBuffer(BufferTarget.ArrayBuffer, this.BufferID);
GL.VertexAttribPointer(location, this.DataSize, this.DataType, false, 0, IntPtr.Zero);
GL.EnableVertexAttribArray(location);
}
/// <summary>
/// 在OpenGL中创建VAO。
/// 创建的过程就是执行一次渲染的过程。
/// </summary>
/// <param name="e"></param>
/// <param name="shaderProgram"></param>
public void Create(RenderEventArgs e, Shaders.ShaderProgram shaderProgram)
{
if (this.ID != 0)
{
throw new Exception(string.Format("ID[{0}] is already generated!", this.ID));
}
uint[] buffers = new uint[1];
GL.GenVertexArrays(1, buffers);
this.ID = buffers[0];
this.Bind();
foreach (var item in this.bufferRenderers)
{
item.Render(e, shaderProgram);
}
this.Unbind();
}
public override void Render(RenderEventArgs e, Shaders.ShaderProgram shaderProgram)
{
GL.DrawArrays(this.Mode, this.FirstVertex, this.VertexCount);
}
/// <summary>
/// 执行一次渲染的过程。
/// </summary>
/// <param name="e"></param>
/// <param name="shaderProgram"></param>
public void Render(RenderEventArgs e, Shaders.ShaderProgram shaderProgram)
{
this.Bind();
this.indexBufferRenderer.Render(e, shaderProgram);
this.Unbind();
}
public Surface(int w, int h, string pathToFile, System.Windows.Forms.ToolStripProgressBar bar = null, System.Windows.Forms.ToolStripLabel label = null, Form1 form = null, bool shaderOption = false)
{
this.shaderOption = shaderOption;
this.form = form;
toolStripBar = bar;
toolStripLabel = label;
WhatToDraw = 1;
Status = colrscl = rotate = false;
minX = minY = min = float.MaxValue;
maxX = maxY = max = float.MinValue;
scale = 1.0f;
angleX = angleY = 0.0f;
width = w; height = h;
NumOfIndexes = NumOfVertices = Xwidth = Ywidth = 0;
//svetlo - smer,ambient,specular,diffuse
light = new DirectionalLight(new Vector3(0.0f, 0.0f, -1.0f), new Vector3(1.0f, 1.0f, 1.0f), new Vector3(1.0f, 1.0f, 1.0f), new Vector3(1.0f, 1.0f, 1.0f));
//material - ambient,specular,diffuse,koeficienty - ambient, specular, diffuse, shininess
material = new Material(0.29f, 0.86f, 0.57f, 128);
//BigBrother = new Kamera(new Vector3(0.0f, 0.0f, 3.5f), new Vector3(0.0f, 0.0f, 0.0f), new Vector3(0.0f, 1.0f, 0.0f));
coords = new List<Vector3>();
VBO = new int[4];
VAO = new int[1];
VertexShader = new Shaders.Shader();
FragmentShader = new Shaders.Shader();
spMain = new Shaders.ShaderProgram();
var bw = new System.ComponentModel.BackgroundWorker();
bw.DoWork += (sender, args) =>
{
// do your lengthy stuff here -- this will happen in a separate thread
LoadData(pathToFile);
if (Status = SetWidth())
{
vertices = new Vector3[NumOfVertices];
color = new Vector3[NumOfVertices];
normals = new Vector3[NumOfVertices];
Indices = new List<int>();
Indexes = new int[NumOfIndexes];
//SetIndices();
SetIndexes();
if (Ywidth > Xwidth)
{
rotate = true;
MatrixStore_Rotations = Matrix4.CreateFromAxisAngle(new Vector3(0.0f, 0.0f, 1.0f), -90.0f * (float)Math.PI / 180.0f);
}
}
else
{
//dorobit sem este resetovanie progressBaru/labelu
System.Windows.Forms.MessageBox.Show("Súbor " + pathToFile + " nemá podporu!", "Vnimanie!", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
label lab = new label(SetToolStripLabel);
progres progres = new progres(SetProgressBar);
form.statusStrip1.Invoke(lab, "Súbor nemá podporu...");
form.statusStrip1.Invoke(progres, 0);
}
};
bw.RunWorkerCompleted += (sender, args) =>
{
if (args.Error != null) // if an exception occurred during DoWork,
System.Windows.Forms.MessageBox.Show(args.Error.ToString()); // do your error handling here
if (Status)
{
colorScale = new ColorScale(min, max, width, height);
CalculateColor();
ScaleHeights(10.0f);
CalculateNormals();
InitScene(false);
FirstDraw();
form.SetBoolean_surface(true);
}
else
form.SetMenuStrip_Enabled(true);
};
bw.RunWorkerAsync(); // starts the background worker
}
/// <summary> /// 执行此VBO的渲染操作。 /// </summary> /// <param name="e"></param> /// <param name="shaderProgram">此VBO使用的shader program。</param> public abstract void Render(RenderEventArgs e, Shaders.ShaderProgram shaderProgram);
public override void Render(RenderEventArgs e, Shaders.ShaderProgram shaderProgram)
{
GL.BindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, this.BufferID);
GL.DrawElements(this.Mode, this.ElementCount, (uint)this.Type, IntPtr.Zero);
}
private void LoadShaders()
{
VertexShader = new Shaders.Shader();
FragmentShader = new Shaders.Shader();
spMain = new Shaders.ShaderProgram();
if (!VertexShader.LoadShaderS(Kocka.Properties.Resources.textShaderVert, ShaderType.VertexShader))
System.Windows.Forms.MessageBox.Show("Nepodarilo sa nacitat vertex sahder (font rendering)!");
if (!FragmentShader.LoadShaderS(Kocka.Properties.Resources.textShaderFrag, ShaderType.FragmentShader))
System.Windows.Forms.MessageBox.Show("Nepodarilo sa nacitat fragment sahder (font rendering)!");
spMain.CreateProgram();
spMain.AddShaderToProgram(VertexShader);
spMain.AddShaderToProgram(FragmentShader);
spMain.LinkProgram();
//teraz mozem detachnut shadere a znicit ich
VertexShader.DetachShader(spMain.GetProgramHandle());
FragmentShader.DetachShader(spMain.GetProgramHandle());
VertexShader.DeleteShader();
FragmentShader.DeleteShader();
//
//toto staci raz, pozicia sa nebude menit
spMain.UseProgram();
spMain.SetUniform("gSampler", 0);
spMain.SetUniform("projectionMatrix", projectionMatrix);
spMain.SetUniform("modelViewMatrix", modelViewMatrix);
spMain.UseProgram(0);
}
internal void BindAttribLocation(Shaders.ShaderProgram program)
{
GL.BindAttribLocation(program.Ptr, UsageIndex, Name);
}
